Ian Douglas

Earth Strike

Alien Secrets

Singularity

Bloodstar

Battlespace

Dark Matter

Bright Light

Dark Mind

Deep Space

Earth Strike

Semper Human

Europa Strike

Abyss Deep

Luna Marine

Galactic Corps

Star Corps

Star Strike

Semper Mars

Deep Time

Star Marines

Centre of Gravity

The Complete Legacy Trilogy: Star Corps, Battlespace, Star Marines

The Complete Inheritance Trilogy: Star Strike, Galactic Corps, Semper Human

The Complete Heritage Trilogy: Semper Mars, Luna Marine, Europa Strike

The Star Carrier Series Books 1-3: Earth Strike, Centre of Gravity, Singularity